<?php
//$str=[1,3,4,6,9,33,55,66,77,88,456];
//print_r($str);die;
$str1=[1,3,4,6,9];
$str2=[33,55,66,77,88];
if($str1[2]==4)
{
    if($$str2[2]==66)
    {
        return true;
    }
}
else{
    return 1;
}
$right[]=[33.55,77,88];
$left[]=[1,3,6,9];
$arr=count($left);
print_r($arr);
$arr1=count($right);
print_r($arr1);
$data=$left.$str1[2].$str2[2].$right;
return $data;